> There seems to be an opportunity to still have heterogeneous environment in the future.
> http://www.enterprisetech.com/2014/04/23/ibm-google-show-power8-systems-openpower-efforts/>
> I dont think it is fair to shift the burden on the original developer instead of the committer who broke a feature.
>
> George.
>
> On Apr 23, 2014, at 09:49 , Jeff Squyres (jsquyres) <jsquyres_at_[hidden]> wrote:
>
>> WHAT: Remove data-heterogeneous support from Open MPI
>>
>> WHY: No one uses it (it's not the default), it's broken (probably has been for a while)
>>
>> WHERE: Datatype engine, some configury, and a few other places
>>
>> TIMEOUT: Tuesday teleconf, 6 May 2014 (i.e., 2 weeks from now)
>>
>> MORE DETAIL:
>>
>> It recently came to my attention that we seem to have some bit rot in the heterogeneous data representation support such that if you configure with --enable-heterogeneous, even if you run on homogeneous machines, you can get segv's with tcp,sm,self.
>>
>> The heterogeneous support has never been enabled by default. AFAIK, only Cisco tests it regularly in its MTT. I'm be greatly surprised if many (any?) users use it at all.
>>
>> So I have to ask myself: why do we keep this functionality around? It seems like we should delete this code, simplify things a little, and move on.
>>
>> Comments?
>>
>> --
>> Jeff Squyres
>> jsquyres_at_[hidden]
>> For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/>>
>> _______________________________________________
>> devel mailing list
>> devel_at_[hidden]
>> Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/devel>> Link to this post: http://www.open-mpi.org/community/lists/devel/2014/04/14584.php>
> _______________________________________________
> devel mailing list
> devel_at_[hidden]
> Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/devel> Link to this post: http://www.open-mpi.org/community/lists/devel/2014/04/14594.php